1/2 HP variable speed Motor coupled with a precision gearbox and a PWM variable speed controller delivers hassle-free automatic wire stripping. Ultra-durable, extremely simple to use, and adjust for most types of copper and aluminum wires. Hassle-free automatic wire stripping at its finest. Ultra durable, extremely simple to use and adjust for most types of copper and aluminium wires from #18 AWG .09" (0.75mm²) up to 1000mcm 1.4” (506.7mm²) Diameter1/2 HP variable speed Motor coupled with a precision gear box and a PWM variable speed controller delivers high torque and precise adjustable cutting speeds.POWER INPUT: 230V/50Hz/5AMPS (Plugs into any standard household outlet)Built in Romex adapter strips Americas most commonly used wire 33% faster than any other machine on the market.Precision CNC machined knife from hardened tool steel.2 piece wire guides design (lower and upper) makes adjusting to different wire sizes fast and easy.Debris window opening under feeder wheel for easy clean